EP2848833A2 - Bague de palier et palier doté de la bague de palier, ainsi que procédé de montage et de démontage d'une bague de palier - Google Patents

Bague de palier et palier doté de la bague de palier, ainsi que procédé de montage et de démontage d'une bague de palier Download PDF

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Publication number
EP2848833A2
EP2848833A2 EP14177380.4A EP14177380A EP2848833A2 EP 2848833 A2 EP2848833 A2 EP 2848833A2 EP 14177380 A EP14177380 A EP 14177380A EP 2848833 A2 EP2848833 A2 EP 2848833A2
Authority
EP
European Patent Office
Prior art keywords
fiber
bearing ring
bearing
reinforced layer
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP14177380.4A
Other languages
German (de)
English (en)
Other versions
EP2848833A3 (fr
Inventor
Arash Arvand
Thomas Krause
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF AB
Original Assignee
SKF AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SKF AB filed Critical SKF AB
Publication of EP2848833A2 publication Critical patent/EP2848833A2/fr
Publication of EP2848833A3 publication Critical patent/EP2848833A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/02—Sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—Synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/105—Ceramic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2202/00—Solid materials defined by their properties
    • F16C2202/30—Electric properties; Magnetic properties
    • F16C2202/32—Conductivity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/02—Plastics; Synthetic resins, e.g. rubbers comprising fillers, fibres
    • F16C2208/04—Glass fibres
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/20—Thermoplastic resins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/80—Thermosetting resins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/80—Thermosetting resins
    • F16C2208/82—Composites, i.e. fibre reinforced thermosetting resins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/80—Thermosetting resins
    • F16C2208/86—Epoxy resins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
    • F16C2208/80—Thermosetting resins
    • F16C2208/90—Phenolic resin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2212/00—Natural materials, i.e. based on animal or plant products such as leather, wood or cotton or extracted therefrom, e.g. lignin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2212/00—Natural materials, i.e. based on animal or plant products such as leather, wood or cotton or extracted therefrom, e.g. lignin
    • F16C2212/04—Wood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2212/00—Natural materials, i.e. based on animal or plant products such as leather, wood or cotton or extracted therefrom, e.g. lignin
    • F16C2212/08—Woven, unwoven fabrics, e.g. felt
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F16C2226/12—Force connections, e.g. clamping by press-fit, e.g. plug-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/30—Material joints
    • F16C2226/40—Material joints with adhesive

Definitions

  • Embodiments relate to a bearing ring, as well as a bearing with the bearing ring and a method for mounting the bearing ring and a method for disassembly of the bearing ring according to the independent claims.
  • Rolling and plain bearings are to allow in addition to their actual task, namely a low-friction rotary motion between two components, if necessary, fulfill other tasks.
  • the bearings should also be able to absorb undamped vibrations and impacts from possibly directly adjacent components (shaft, housing). These loads, for example, could reduce bearing life.
  • the problem may occur that an interference fit between a bearing ring (eg bearing inner ring) and a shaft and / or between a bearing ring (eg bearing outer ring) and a housing with a temperature change due to different thermal expansions of the bearing, the shaft or the housing can be lost.
  • the bearing should have a high electrical resistance in order to avoid a voltage breakdown between components which are connected via the bearing.
  • a ceramic coating eg aluminum oxide, Insocoat
  • This can be applied for example by means of plasma spraying on the camp.
  • an electrical current passage (of English "electrical erosion"), prevented or at least reduced.
  • ceramic rolling elements are used. These rolling elements can have an almost infinitely high electrical resistance. As a result, an electrical current passage could also be prevented or at least reduced.
  • both a ceramic coating and the use of ceramic rolling elements are relatively expensive concerning a production for a material use.
  • the bearing ring comprises a radially inner circumferential surface for mounting on a shaft or a radially outer peripheral surface for mounting in a housing. Furthermore, the bearing ring comprises a fiber-reinforced layer. The fiber reinforced layer is attached to the peripheral surface. The fiber reinforced layer comprises a preimpregnated fiber.
  • a fiber-reinforced layer By arranging a fiber-reinforced layer between a circumferential surface of the bearing ring and the shaft or the housing or a bore, it would be possible to provide a bearing having improved vibration or shock absorption properties, electrical resistance, and the like Having manufacturing effort or material use. For example, an electrical resistance of the bearing ring and thus a bearing could be increased. It could be provided, if necessary, a bearing or a bearing ring having an electrical resistance which corresponds to an electrical resistance of a bearing or even higher than a bearing having a ceramic coating. Possibly.
  • the bearing ring with the fiber-reinforced layer could be produced in a simpler manner, for example with a lower material input and thus possibly with lower production costs, than a bearing with a corresponding ceramic coating.
  • vibrations which act on the bearing could be reduced or their transmission reduced. Possibly. could be caused by the fiber-reinforced layer a damping property of the bearing ring or the bearing o-the be improved.
  • different thermal expansions between the bearing ring (eg bearing inner ring) and the shaft and the bearing ring (eg bearing outer ring) and the housing could be compensated.
  • it could possibly be avoided or at least reduced in some applications, an unwanted loosening of the bearing inner and outer bearing ring of the shaft or the housing in some applications.
  • fretting or contact corrosion between the bearing ring and the shaft and / or the bearing ring and the housing could possibly also be reduced or even avoided.
  • the fiber reinforced layer may be attached to the bearing ring in any manner.
  • the fiber-reinforced layer may be adhesively attached to the bearing ring. Possibly.
  • the fiber-reinforced layer can be glued to the bearing ring by means of heating.
  • the material with which the fiber is preimpregnated could melt and cause sticking.
  • the fastening could possibly take place by means of gluing (for example by means of an adhesive), pressing or pressing.
  • the fiber reinforced layer could be cured for attachment.
  • the fiber reinforced layer may be cured by heating, irradiation by UV light, air, oxygen (e.g., atmospheric oxygen).
  • the fiber reinforced layer comprises a finished product, e.g. in the form of a wound and already hardened bush. Possibly.
  • the fiber reinforced layer may be a socket or a finished product.
  • a preimpregnated fiber can be, for example, any component which is surrounded by a further layer and / or stabilized or coated.
  • a fiber may be any component designed to provide the described strength.
  • the fiber may have a substantially greater extent in their length than in their width.
  • the fiber may have a length that is at least 10 times larger, 15 times larger, or 20 times larger than its diameter.
  • a fiber may be a thin and flexible structure relative to its length.
  • fibers can absorb no pressure in the longitudinal direction, but only tensile forces.
  • the fiber may be a glass fiber, a carbon fiber, a metal fiber, a ceramic fiber, a plastic fiber, a natural fiber, etc.
  • the fiber may have any cross-sectional profile, for example circular, rectangular, round, profile-shaped, C-profile, T-profile, H-profile, U-profile or a hollow profile.
  • the fiber in contrast to the reinforcing fibers (eg short fibers, chips) used in some conventional solutions, which for example have a length of 0 mm to 1 mm, the fiber may be a so-called endless fiber.
  • the fiber may have a length that is greater than 1 mm.
  • the fiber may be longer than 1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 2 mm, 3 mm, 5 mm, 10 mm, 20 mm, etc.
  • the fiber reinforced layer comprises a semi-finished product.
  • a semi-finished product can be a prefabricated material.
  • the semifinished product is a so-called fiber-matrix semifinished product which is flexible and can be cured by means of heating or by air (for example atmospheric oxygen) or by UV radiation.
  • air for example atmospheric oxygen
  • UV radiation By using the semifinished product could possibly be effected that the bearing ring can be produced in a simple manner, or the fiber-reinforced layer can be arranged or positioned in a simple manner.
  • the bearing ring may comprise a metallic material, for example iron, aluminum, steel, brass and / or alloys thereof.
  • the at least one fiber has a systematic orientation. This could, for example, cause the fiber to be arranged so that it can absorb attack loads well.
  • the at least one fiber may be arranged parallel to a rotation axis of the bearing ring.
  • the fiber may be arranged at an angle of 0 ° to 45 ° to a rotation axis of the bearing ring.
  • the at least one fiber may be arranged parallel to a circumferential direction of the bearing ring.
  • the at least one fiber may be arranged orthogonal to a circumferential direction of the bearing ring and / or orthogonal to a direction of the axial extent of the bearing ring.
  • an angle range may be meant which comprises 10 ° to 90 °, for example 30 ° to 70 °, for example 45 °.
  • the at least one fiber can be arranged in the direction of a force to be absorbed, for example a tensile force.
  • the at least one fiber or a plurality of fibers may be arranged, for example, as a textile fabric fiber layer.
  • a plurality of fibers arranged parallel to one another may be arranged at an angle to another plurality of fibers arranged parallel to one another.
  • a first fiber layer may be twisted at an angle to a second fiber layer.
  • the angle may, for example, be in a range of values with an initial value and a final value.
  • an initial value or a final value may be 0, 5, 10, 15, 20, 25, 30, 40, 45, 50, 60, 70, 80, 85 or 90 degrees ,
  • the at least one fiber is embedded in a matrix.
  • a matrix material any material designed to serve as a matrix can be used as the matrix material.
  • the material may be plastic or a resin.
  • the fiber may be impregnated with a matrix material or a plastic or a resin or pre-impregnated.
  • the fiber may be incorporated into the matrix before the layer is attached to the peripheral surface.
  • the fiber is preimpregnated with a thermoset.
  • the fiber-reinforced layer could possibly have a matrix which comprises a duroplastic or a thermosetting plastic.
  • the matrix may comprise any thermosetting plastic, for example, epoxy, phenolic, polyester, melamine, etc.
  • the fiber-reinforced layer may be a textile fabric prepreg in combination with a thermosetting plastic.
  • a prepreg may, for example, be a preimpregnated fiber or a fiber bundle of a plurality of unidirectionally arranged fibers preimpregnated with a thermosetting plastic.
  • a prepreg may be a semi-finished product comprising at least one continuous fiber or a plurality of continuous fibers and an uncured thermosetting plastic matrix.
  • the continuous fibers can be arranged, for example, as a unidirectional layer, as a woven fabric or a scrim. This could for example cause the fiber-reinforced layer as a prepreg after curing, such as a ceramic coating on a radially outer circumferential surface of the bearing ring (eg., Outer ring to the housing) and / or a radially inner circumferential surface of the bearing ring (z. B. inner ring to the shaft) in a sliding or rolling bearing, for example, at least with respect to an electrical conductance.
  • thermoset matrix since it is not reversibly fusible, an insoluble bond could be produced between the thermoset and the housing or the duroplastic and the shaft or the bearing ring.
  • the fiber reinforced layer may be disposed in the housing or directly on the shaft. After arranging the bearing ring on the layer, it may be heated and fastened or glued to the bearing ring.
  • the described function could possibly also be achieved in a housing when the housing is provided with the fiber-reinforced layer (for example prepreg).
  • the fiber-reinforced layer in the housing may possibly also be cured.
  • the fiber is preimpregnated with a thermoplastic.
  • the fiber-reinforced layer may optionally comprise a matrix comprising a thermoplastic or a thermoplastic. This could for example be made possible that the matrix or the fiber-reinforced layer is reversible melted.
  • a disassembly of the bearing ring or a bearing for example, for an overhaul or replacement after curing of the thermoset, which is located for example between the ring and the housing or between the ring and a shaft, may be possible.
  • a thermoplastic matrix material could have a significantly more elastic behavior compared to a thermoset matrix material and thereby have an even better vibration-damping property.
  • the fiber reinforced layer may be Be semi-finished of a textile fabric fiber layer, which is impregnated with a plastic, or impregnated, for example, an organ sheet.
  • the fibers may be arranged in a grid structure with respect to each other.
  • the bearing ring or a rolling or sliding bearing can be provided on a bore diameter of an inner ring and / or on an outer diameter of the outer ring, if necessary, prior to delivery with a strip-shaped organic sheet, for example in bearing width.
  • Such organo-sheets may, for example, comprise a textile technical fabric (eg glass fiber, carbon fiber, metal fiber, ceramic fiber fabric). This fabric can be impregnated with a thermoplastic, for example.
  • the organic sheet may have a dampening property. As a result, an operational stability and possibly a service life of a bearing having the bearing ring could possibly be increased.
  • the organic sheet or a fiber-reinforced layer with a thermoplastic material may possibly be reversible melted.
  • a reversibly fusible material could be thermoformed several times, for example. This could possibly be effected a simple disassembly of the bearing.
  • the electrical insulation of the bearing ring or the bearing could be increased by the non-conductive properties of the organic sheet. As a result, for example, a voltage breakdown in the bearing could be avoided.
  • the fiber reinforced layer is attached to an end edge of the bearing ring.
  • the bearing ring it would be possible, for example, for the bearing ring to also be able to obtain improved properties in terms of damping, vibration and shock absorption, avoidance or reduction of fretting and / or contact corrosion, compensation of different thermal expansions, and electrical insulation in the axial direction.
  • the fiber reinforced layer is attached as a component to the peripheral surface or the at least one end surface. This could for example be made possible that only a component or a piece must be attached to the bearing ring, aligned or arranged.
  • a one-piece component can be any workpiece that does not include a plurality of separate individual parts, so only one part needs to be attached or positioned.
  • the fiber-reinforced layer could be manufactured as a component or from a mat or fabric fiber layer cut and / or punched out. As a result, for example, an easier positioning of the fiber-reinforced layer on the bearing ring could be made possible.
  • the fiber reinforced layer may be attached to both end edges.
  • An end edge may be a surface of the ring which faces in an axial direction.
  • this surface may be inclined at an angle of 0 ° to 45 ° with respect to an axis of the ring.
  • a simple and cost-effective production of the coating could be made possible by gluing and / or curing the prepreg or the organic sheet or the fiber-reinforced layer.
  • the fiber-reinforced layer may for example be very flexible and, if appropriate, also glued and cured in one piece around the end face (eg edges), for example in the case of an outer ring or an end face of an outer ring.
  • the fiber-reinforced layer could be formed in several parts. As a result, it could be effected, for example, that the fiber-reinforced layer is arranged only in sections on the peripheral surface and / or the end face. For example, a section may be glued as a separate component of the fiber-reinforced layer on the peripheral surface. Other parts of the fiber reinforced layer could be attached separately to the end faces. For example, it could be a plurality of components that are not integrally connected to each other. This could for example be made possible that the individual components or pieces of the fiber-reinforced layer have a simpler geometry and are smaller. As a result, for example, positioning and / or assembly of the fiber-reinforced layer could be simplified.
  • the fiber reinforced layer has a thickness of from 0.1 mm to 30 mm.
  • the fiber-reinforced layer may have, as a semifinished product, an optionally variable thickness d, which may be between 0.1 mm and 1 mm. Possibly.
  • the fiber-reinforced layer as a finished product may be between 1 mm and 30 mm. This could, for example, have the effect that the use of the fiber-reinforced layer has only a minimal effect on a bearing geometry.
  • a thickness may be the extent of the layer in a radial direction when the layer is attached to the peripheral surface.
  • the thickness of the layer may extend into one axial direction when the layer is attached to the end face. Possibly.
  • the thickness of the fiber reinforced layer may be smaller than 0.5 mm.
  • the fiber-reinforced layer eg organic sheet
  • the smallest possible thickness of the fiber reinforced layer eg less than 0.5 mm
  • unwanted self and creep effects of the fiber reinforced layer by transferred bearing loads on a Minimum be reduced.
  • thermoplastics have a coefficient of expansion which is 5 to 10 times higher than that of steel, for example, fitting losses between the bearing ring and the housing or the bearing ring and the shaft could be very well compensated for a temperature increase in the application.
  • the bearing may comprise a bearing ring according to one of the preceding embodiments as an inner ring, wherein the peripheral surface is located radially inward.
  • the fiber reinforced layer could be located between the inner ring and the shaft.
  • the bearing comprises a bearing ring according to one of the preceding embodiments as an outer ring.
  • the peripheral surface is located radially on the outside.
  • the fiber-reinforced layer is disposed between the outer ring and the housing.
  • the bearing may be, for example, a sliding or rolling bearing.
  • a bearing with an integrated fiber-reinforced material or integrated organic sheet can be provided.
  • rolling or sliding bearings of all types and an integrated organo sheet can be provided on the inner ring to the shaft and / or on the outer ring to the housing.
  • the fiber-reinforced layer eg organic sheet
  • vibrations acting from outside on the bearing can be reduced, fretting and contact corrosion between the bearing, the housing and / or the shaft and, for example, electrical voltage breakdown can be at least reduced or even avoided.
  • Some embodiments relate to a method for producing a bearing ring according to one of the preceding embodiments.
  • the method includes disposing a fiber reinforced layer on a radially inner or a radially outer layer Peripheral surface and / or an end face of the bearing ring. Further, the fiber-reinforced layer is heated, so that the layer adheres to the peripheral surface.
  • Some further embodiments relate to a method for mounting a bearing ring or a bearing.
  • a bearing ring is arranged on a shaft or in a bore.
  • a fiber reinforced layer is disposed between a peripheral surface of the bearing ring that faces the shaft and / or a peripheral surface that faces the bore.
  • the fiber reinforced layer is attached to the shaft and / or to the bore.
  • the fiber reinforced layer may be heated so that the layer bonds to the shaft and / or the bore. This could for example be effected in a simple manner, that the bearing ring or the bearing is fixed to the shaft or in the bore.
  • the fastening can take place by hardening of the semifinished product. Possibly.
  • the arranging of the fiber-reinforced layer can take place, for example, before the bearing ring is arranged.
  • the fiber reinforced layer may already be bonded to the bearing ring before the bearing ring or bearing is placed in the bore or shaft.
  • the fiber reinforced layer may be disposed in the bore or on the shaft before the bearing ring is disposed.
  • the fiber reinforced layer may also be adhered to the shaft or bore prior to placing the bearing ring, such as by pressing or curing (heating, reaction to air, UV radiation) of the layer.
  • thermoplastic contained therein could cause the thermoplastic contained therein to melt reversibly.
  • an adhesiveness of the plastic in the molten state for example also under pressure, could be established as a bond between the textile fibers and the bearing ring (for example, bearing outer or inner bearing ring).
  • a bond between the bearing ring and the fiber-reinforced layer could thus be present.
  • the shaft and / or housing could exceed the melting point of the fiber reinforced layer be heated thermoplastic.
  • the layer itself could also be heated.
  • the bearing can then be pressed in.
  • the thermoplastic of the fiber-reinforced layer or of the organic sheet can melt again and, by virtue of its adhesiveness, then produce the bond to the housing or to the shaft. After cooling, a solid bond between the housing, the bearing and / or the shaft could possibly arise.
  • Some embodiments relate to a method for disassembling a bearing ring according to one of the preceding embodiments or a bearing according to one of the preceding embodiments.
  • the fiber reinforced layer is heated so that the plastic of the fiber reinforced layer melts.
  • the bearing ring or the bearing is removed from the shaft and / or the housing. This could for example be effected that the bearing in a simple manner or the bearing ring can be dismantled.
  • the bearing or the bearing ring could be disassembled again.
  • thermoplastics for the production of the fiber-reinforced layer or of the organic sheet it is possible, for example, to select those thermoplastics which have a melting point which is significantly above an application range or an application temperature (eg operating temperature) of the bearing.
  • a fiber-reinforced layer for example, a structure composed of plastic or natural fibers (eg tissue, scrims, etc.), which may be embedded in a resin system, could be used as an alternative to a ceramic coating (Insocoat coating). be used with an increased electrical resistance and possibly comparable structural mechanical properties.
  • a semifinished product (eg tissue) embedded in a resin for example a prepreg, could be attached to and / or disposed on an outer ring (for example, to the housing) of a roller bearing or plain bearing. This could for example be cured in an oven at a temperature less than 200 degrees Celsius.
  • the electrical conductivity as well as the structural mechanical and tribological properties of such a coating could be specifically influenced become.
  • a fiber reinforced composite and subsequent processing could be significantly more advantageous than using a ceramic rolling element or a ceramic coating.
  • a fiber-reinforced composite structure having a high electrical resistance could be provided.
  • features disclosed as a device feature in other embodiments may also be implemented as method features. Further, features that are implemented as method features in some embodiments may also be implemented as device features in other embodiments.
  • Fig. 1 shows a schematic cross-sectional view of a bearing ring as an outer ring for a bearing according to one embodiment.
  • Fig. 1 shows a bearing ring 1 with a radially outer circumferential surface 3 during assembly in a housing, not shown. Furthermore, the bearing ring comprises a fiber-reinforced layer 5, which is attached to the peripheral surface 3.
  • the fiber-reinforced layer 5 is a semi-finished product.
  • the bearing ring 1 is the bearing ring 1 as an outer ring for a bearing, for example, a rolling or a sliding bearing formed.
  • the bearing ring 1 has a rotation axis M.
  • the fiber-reinforced layer 5 may be attached or attached by means of heating, gluing, curing or compression.
  • the fiber-reinforced layer 5 has a plurality of fibers 7. These, or their cut surfaces are shown schematically as points.
  • the fibers 7 are embedded in a matrix, for example a duroplastic matrix or a thermoplastic matrix.
  • the fibers may be arranged systematically.
  • the fibers 7 are wound, arranged as a fabric, scrim, textile fabric or as a unidirectional layer.
  • the bearing ring 1 has a base body 9, for example, of a metallic material.
  • the metallic base body 9 has a smaller diameter than the fiber-reinforced layer 5, which is attached to the radially outer circumferential surface.
  • Fig. 2 shows a schematic cross-sectional view of a bearing ring as an inner ring for a bearing according to one embodiment.
  • bearing ring 10 has a radially inner peripheral surface 12 for mounting on a shaft, not shown. Furthermore, the bearing ring 10 comprises a fiber-reinforced layer 5. For example, the fiber-reinforced layer 5, when it is attached to the radially inner circumferential surface 12, a smaller diameter than, for example, a metallic base body 14 of the bearing ring 10th
  • Fig. 3 shows a schematic cross-sectional view of a bearing ring as an outer ring for a bearing according to another embodiment.
  • An in Fig. 3 shown bearing ring 20 is formed as an outer ring.
  • the bearing ring 20 is formed substantially analogously to the outer ring 1 and also has the metallic base body 9.
  • a fiber-reinforced layer 22 is arranged on a radially outer peripheral surface 3 of the bearing ring 20. Furthermore, the fiber-reinforced layer 22 also covers an end edge 24 of the base body 9. Analogously, an end edge 26 of the base body 9 is covered by the fiber-reinforced layer 22.
  • the fiber-reinforced layer 22 has a greater extent in the axial direction than the base body 9. At one end in the axial direction, the fiber-reinforced layer 22 is bent so that it covers the end edges 24 and 26 of the metallic base body 9 of the bearing ring 20.
  • the fiber-reinforced layer 22 is formed, for example, in one piece.
  • the fiber reinforced layer 22 may comprise a plurality of sections.
  • portions of the fiber reinforced layer 22 covering the end edges 24 and 26 may be separate from the portion of the fiber reinforced layer 22 disposed on the radially outer circumferential surface 3.
  • Fig. 4 shows a schematic cross-sectional view of a bearing ring as an inner ring for a bearing according to one embodiment.
  • An in Fig. 4 shown bearing ring 30 is an inner ring. This has a fiber-reinforced layer 31.
  • the fiber-reinforced layer 31 is formed substantially analogously to the fiber-reinforced layer 5, arranged and fixed to a radially inner circumferential surface 12. In an axial direction, the fiber-reinforced layer 31 has a greater extent than the metallic base body 14 of the bearing ring 30. Standing there Ends of the fiber reinforced layer 31 beyond the metallic base body 14 of the bearing ring 30 addition. These can be folded over or bent so that they each cover an end edge 24 and an end edge 26 of the metallic base body 14 and are secured thereto.
  • the fiber-reinforced layer 31 is formed essentially analogously to the fiber-reinforced layer 22, but disposed radially inward on the metallic base body 14. Thus, the fiber reinforced layer 31 has a smaller diameter than the metallic base body 14.
  • the fiber-reinforced layers 5, 22 and 31 each have a thickness d.
  • the thickness d may be an extension of the layer 5, 22, or 31 in a radial direction when the layer is fixed to the peripheral surface 3, 12, respectively.
  • the thickness d of the layer may be an extension in an axial direction in areas in which the layer 31 or 22 is attached to the end faces 24 and 26, respectively.
  • Fig. 5 shows a schematic representation of a method for mounting a bearing ring.
  • An in Fig. 5 shown method 40, for mounting a bearing ring or a bearing with the bearing ring comprises arranging 41 of the bearing ring or the bearing on a shaft or in a bore. Further, a fiber reinforced layer is disposed between a peripheral surface of the bearing ring or bearing facing the shaft and / or a peripheral surface facing the bore 42. The fiber reinforced layer is also secured 43 so as to engage the shaft and / or the shaft Bore joins bonded. Possibly. For example, the fiber reinforced layer may be heated to bond to the shaft and / or bore.
  • the arranging of the fiber-reinforced layer can take place, for example, before the bearing ring is arranged.
  • the fiber reinforced layer may already be bonded to the bearing ring before the bearing ring or bearing is placed in the bore or shaft.
  • the fiber reinforced layer may also be disposed in the bore or on the shaft in front of which the bearing ring is disposed. Possibly.
  • the fiber reinforced layer may also be adhered to the shaft or into the bore prior to locating the bearing ring become.
  • the fastening can be effected for example by pressing or curing the layer by means of heating, air hardening, UV curing.
  • Fig. 6 shows a schematic representation of a method for disassembly of a bearing ring.
  • the method shown in FIG. 50 for disassembling a bearing ring according to one of the preceding embodiments or a bearing with a bearing ring according to one of the preceding embodiments heats the fiber-reinforced layer 51 so that a plastic of the fiber-reinforced layer melts. Subsequently, the bearing ring or the bearing of the shaft and / or from the housing or the bore of the bearing is removed 52.
  • Bearing rings and methods for assembling and disassembling the bearing rings can be used and / or used for any types of bearings, for example, sliding or rolling bearings in vehicles, construction machines, work machines, and the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Support Of The Bearing (AREA)
EP14177380.4A 2013-08-01 2014-07-17 Bague de palier et palier doté de la bague de palier, ainsi que procédé de montage et de démontage d'une bague de palier Withdrawn EP2848833A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013215175 2013-08-01
DE102013223197.0A DE102013223197A1 (de) 2013-08-01 2013-11-14 Lagerring und Lager mit dem Lagerring sowie ein Verfahren zur Montage und Demontage eines Lagerrings

Publications (2)

Publication Number Publication Date
EP2848833A2 true EP2848833A2 (fr) 2015-03-18
EP2848833A3 EP2848833A3 (fr) 2015-11-11

Family

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EP14177380.4A Withdrawn EP2848833A3 (fr) 2013-08-01 2014-07-17 Bague de palier et palier doté de la bague de palier, ainsi que procédé de montage et de démontage d'une bague de palier

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EP (1) EP2848833A3 (fr)
DE (1) DE102013223197A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015202140A1 (de) * 2015-02-06 2016-08-11 Schaeffler Technologies AG & Co. KG Lagerring und zugehöriges Gleitlager oder Wälzlager
DE102017109422A1 (de) * 2017-05-03 2018-11-08 Ihi Charging Systems International Gmbh Laufrad für eine Aufladeeinheit und Aufladeeinheit
DE102023119035A1 (de) * 2023-07-19 2025-01-23 Rieter Components Germany Gmbh Verfahren zum Demontieren und/oder Aufbereiten einer Baugruppe sowie Aufbereitungsvorrichtung

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Publication number Priority date Publication date Assignee Title
DE2303489A1 (de) * 1973-01-25 1974-08-01 Maschf Augsburg Nuernberg Ag Mehrschichtige gleitlagerbuechse
DE4129513A1 (de) * 1991-09-05 1993-03-11 Schaeffler Waelzlager Kg Federbeinlager
DE10128861A1 (de) * 2001-06-15 2002-12-19 Ina Schaeffler Kg Radsatzlager
DE102004018074B4 (de) * 2004-04-08 2006-11-02 Ab Skf Lagerschild

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DE102013223197A1 (de) 2015-02-05

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